Home / 14,337.31-21,481.69-8,779.04

Finding the Fourth Proportional to 14,337.31, 21,481.69 and 8,779.04

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Solution

The fourth proportional to 14,337.31, 21,481.69 and 8,779.04 is: 13,153.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,337.31 : 21,481.69 = 8,779.04 : x
  2. Step 2: Convert to fraction form
    14,337.31/21,481.69 = 8,779.04/x
  3. Step 3: Cross multiply
    14,337.31x = 21,481.69 × 8,779.04
  4. Step 4: Simplify right side
    14,337.31x = 188,588,647.53
  5. Step 5: Solve for x
    x = 188,588,647.53/14,337.31
  6. Step 6: Final answer
    x = 13,153.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.